The maximum surface drying time (min) for class A type plastic emulsion paint as per the Indian standards is:

Correct option is A

Drying Time Limits for Plastic Emulsion Paints (as per Indian Standards)
The maximum surface drying time for Class A and Class B plastic emulsion paints is 45 minutes.
The maximum surface drying time for Class C and Class D plastic emulsion paints is 90 minutes.
The maximum hard drying time for Class A and Class B plastic emulsion paints is 240 minutes.
The maximum hard drying time for Class C and Class D plastic emulsion paints is 480 minutes.